v3.25.4
Residential Loans and Residential Loans Held for Sale, at Fair Value - Geographic Concentrations of Credit Risk (Details) - Geographic Concentration Risk
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Residential loans | Ohio    
Concentration Risk [Line Items]    
Geographic concentrations 10.70% 3.60%
Residential loans | Pennsylvania    
Concentration Risk [Line Items]    
Geographic concentrations 10.10% 5.10%
Residential loans | New Jersey    
Concentration Risk [Line Items]    
Geographic concentrations 8.90% 8.00%
Residential loans | Florida    
Concentration Risk [Line Items]    
Geographic concentrations 7.00% 10.40%
Residential loans | New York    
Concentration Risk [Line Items]    
Geographic concentrations 6.70% 6.60%
Residential loans | Texas    
Concentration Risk [Line Items]    
Geographic concentrations 5.20% 6.20%
Residential loans | Illinois    
Concentration Risk [Line Items]    
Geographic concentrations 3.60% 2.20%
Residential loans | California    
Concentration Risk [Line Items]    
Geographic concentrations 3.40% 23.00%
Consolidated SLST | Ohio | VIE, Primary Beneficiary    
Concentration Risk [Line Items]    
Geographic concentrations 3.50% 1.60%
Consolidated SLST | Pennsylvania | VIE, Primary Beneficiary    
Concentration Risk [Line Items]    
Geographic concentrations 3.80% 3.90%
Consolidated SLST | New Jersey | VIE, Primary Beneficiary    
Concentration Risk [Line Items]    
Geographic concentrations 6.30% 6.80%
Consolidated SLST | Florida | VIE, Primary Beneficiary    
Concentration Risk [Line Items]    
Geographic concentrations 8.60% 9.10%
Consolidated SLST | New York | VIE, Primary Beneficiary    
Concentration Risk [Line Items]    
Geographic concentrations 10.70% 10.80%
Consolidated SLST | Texas | VIE, Primary Beneficiary    
Concentration Risk [Line Items]    
Geographic concentrations 4.40% 4.40%
Consolidated SLST | Illinois | VIE, Primary Beneficiary    
Concentration Risk [Line Items]    
Geographic concentrations 7.40% 6.30%
Consolidated SLST | California | VIE, Primary Beneficiary    
Concentration Risk [Line Items]    
Geographic concentrations 11.20% 11.70%
Residential loans held in securitization trusts | Ohio    
Concentration Risk [Line Items]    
Geographic concentrations 3.90% 2.00%
Residential loans held in securitization trusts | Pennsylvania    
Concentration Risk [Line Items]    
Geographic concentrations 5.50% 3.80%
Residential loans held in securitization trusts | New Jersey    
Concentration Risk [Line Items]    
Geographic concentrations 6.40% 5.20%
Residential loans held in securitization trusts | Florida    
Concentration Risk [Line Items]    
Geographic concentrations 10.10% 12.20%
Residential loans held in securitization trusts | New York    
Concentration Risk [Line Items]    
Geographic concentrations 6.60% 6.60%
Residential loans held in securitization trusts | Texas    
Concentration Risk [Line Items]    
Geographic concentrations 6.70% 7.90%
Residential loans held in securitization trusts | Illinois    
Concentration Risk [Line Items]    
Geographic concentrations 3.30% 3.10%
Residential loans held in securitization trusts | California    
Concentration Risk [Line Items]    
Geographic concentrations 16.80% 20.20%
Residential loans held for sale | Ohio    
Concentration Risk [Line Items]    
Geographic concentrations 13.80%  
Residential loans held for sale | Pennsylvania    
Concentration Risk [Line Items]    
Geographic concentrations 7.20%  
Residential loans held for sale | New Jersey    
Concentration Risk [Line Items]    
Geographic concentrations 9.20%  
Residential loans held for sale | New York    
Concentration Risk [Line Items]    
Geographic concentrations 11.90%  
Residential loans held for sale | Texas    
Concentration Risk [Line Items]    
Geographic concentrations 8.90%  
Residential loans held for sale | Georgia    
Concentration Risk [Line Items]    
Geographic concentrations 12.00%  
Residential loans held for sale | Tennessee    
Concentration Risk [Line Items]    
Geographic concentrations 5.00%